ci: fix restore-keys to use pipe syntax (Gitea doesn't support YAML list)

.gitea/workflows/ci.yaml

@@ -28,8 +28,8 @@ jobs:
             ~/.cargo/git
             target
           key: ${{ runner.os }}-cargo-fmt-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
-          restore-keys:
-            - ${{ runner.os }}-cargo-fmt-
+          restore-keys: |
+            ${{ runner.os }}-cargo-fmt-
       - run: cargo fmt --all -- --check
 
   clippy:
@@ -48,8 +48,8 @@ jobs:
             ~/.cargo/git
             target
           key: ${{ runner.os }}-cargo-clippy-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
-          restore-keys:
-            - ${{ runner.os }}-cargo-clippy-
+          restore-keys: |
+            ${{ runner.os }}-cargo-clippy-
       - run: cargo clippy --workspace --all-targets -- -D warnings
 
   test:
@@ -66,8 +66,8 @@ jobs:
             ~/.cargo/git
             target
           key: ${{ runner.os }}-cargo-test-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
-          restore-keys:
-            - ${{ runner.os }}-cargo-test-
+          restore-keys: |
+            ${{ runner.os }}-cargo-test-
       - run: cargo test --workspace --all-targets
 
   keymaps:
@@ -88,8 +88,8 @@ jobs:
             ~/.cargo/git
             target
           key: ${{ runner.os }}-cargo-test-${{ hashFiles('**/Cargo.lock', '**/Cargo.toml') }}
-          restore-keys:
-            - ${{ runner.os }}-cargo-test-
+          restore-keys: |
+            ${{ runner.os }}-cargo-test-
       - name: install Neovim + Vim
         run: |
           set -euo pipefail